yii2文件上传错误
问题描述:
我了解yii2框架一点点,但我得到一个错误至极我并不能解决..yii2文件上传错误
我试图添加图像注册表单。
视图:
<?php $form = ActiveForm::begin(['id' => 'form-signup', 'options' => ['enctype' => 'multipart/form-data']]); ?>
<?= $form->field($model, 'voornaam')->textInput(['autofocus' => true]) ?>
<?= $form->field($model, 'bedrijf') ?>
<?= $form->field($model, 'telefoon') ?>
<?= $form->field($model, 'username')?>
<?= $form->field($model, 'email') ?>
<?= $form->field($model, 'password')->passwordInput() ?>
<?= $form->field($model, 'file')->fileInput() ?>
<div class="form-group">
<?= Html::submitButton('Signup', ['class' => 'btn btn-primary', 'name' => 'signup-button']) ?>
</div>
<?php ActiveForm::end(); ?>
控制器
public function actionSignup()
{
$model = new SignupForm();
if ($model->load(Yii::$app->request->post())) {
if ($user = $model->signup()) {
if (Yii::$app->getUser()->login($user)) {
return $this->goHome();
}
}
}
return $this->render('signup', [
'model' => $model,
]);
}
模型:
public function signup()
{
if (!$this->validate()) {
return null;
}
$user = new User();
$imageName = $user->username;
$user->file = UploadedFile::getInstance($user,'file');
$user->file->saveAs('uploads/'.$imageName.'.'.$model->file->extension);
$user->picture = 'uploads/'.$imageName.'.'.$model->file->extension;
$user->voornaam = $this->voornaam;
$user->bedrijf = $this->bedrijf;
$user->telefoon = $this->telefoon;
$user->username = $this->username;
$user->email = $this->email;
$user->setPassword($this->password);
$user->generateAuthKey();
return $user->save() ? $user : null;
}
我发现了错误:上的空
呼叫一个成员函数的saveAs()我做错了什么? (我正在使用高级模板)。
谢谢。
答
你应该使用$this
,而不是$user
或你应该添加
$user=$this
因为简单的$ user是新的实例,它的字段是空的!
答
它看起来像你提错了文件路径,就不能不提ROOTPATH的保存功能 例如
$user->file->saveAs(\Yii::getAlias('@webroot').'/uploads/'.$imageName.'.'.$model->file->extension);
+0
我取代了符合你的,在根制成的上传文件夹,但仍然didnt工作和相同的错误.. –
答
我使用单独的上传功能上传文件,它的工作。
我的视图
<?php $form = ActiveForm::begin(['id' => 'form-signup','options' => ['enctype' => 'multipart/form-data']]); ?>
<?= $form->field($model, 'username') ?>
<?= $form->field($model, 'email') ?>
<?= $form->field($model, 'password')->passwordInput() ?>
<?= $form->field($model, "files")->fileInput() ?>
<div class="form-group">
<?= Html::submitButton('Signup', ['class' => 'btn btn-primary', 'name' => 'signup-button']) ?>
</div>
<?php ActiveForm::end(); ?>
控制器
public function actionSignup() {
$model = new SignupForm();
if ($model->load(Yii::$app->request->post())) {
$model->files = \yii\web\UploadedFile::getInstance($model,'files');
if ($model->upload() && $user = $model->signup()) {
if (Yii::$app->getUser()->login($user)) {
return $this->goHome();
}
}
}
return $this->render('signup', [
'model' => $model,
]);
}
和我的模型是
//declare variable
public $files;
//add this to your rules
[['files'], 'file', 'skipOnEmpty' => false, 'extensions' => 'png, jpg, jpeg']
//File upload function
public function upload()
{
if ($this->validate()) {
$this->files->saveAs('../web/uploads/' . $this->files->baseName. '.' .$this->files->extension);
$this->picture = '../web/uploads/' . $this->files->baseName. '.' .$this->files->extension;
return true;
} else {
return false;
}
}
public function signup()
{
$user = new User();
$user->username = $this->username;
$user->email = $this->email;
$user->picture = $this->picture;
$user->setPassword($this->password);
$user->generateAuthKey();
if ($user->save()) {
return $user;
}
else{
return null;
}
}
谢谢,这工作! 但它给了一个错误: 调用未知的方法:警予\网络\ UploadedFile的::保存() 我使用的是从警予本身 使用警予\网络\ UploadedFile的供应商扩展; 我的保存行: $ this-> file-> save(); –
我想你应该使用saveAs(); –
我设法让它工作, 我所做的是,最后一行从$ this到$ user,最后它为用户保存了注册表。 $ user-> picture ='uploads /'.$ imageName。'。'。$ this-> file-> extension; –